Devoted Druid + Leyline of Abundance + Corpsejack Menace + Primal Vigor

Devoted Druid

Leyline of Abundance

Corpsejack Menace

Primal Vigor

How it works

1. Activate Leyline of Abundance by paying 6, putting four +1/+1 counters on each creature you control due to Corpsejack Menace and Primal Vigor.
2. Activate Devoted Druid's first ability by tapping it, adding .
3. Leyline of Abundance triggers, adding .
4. Activate Devoted Druid's second ability by putting a -1/-1 counter on it, untapping Devoted Druid.
5. Repeat from step 2 three additional times.
6. Repeat from step 1.